2615786412 has 48 divisors (see below), whose sum is σ = 6399197952. Its totient is φ = 830047680.

The previous prime is 2615786401. The next prime is 2615786423. The reversal of 2615786412 is 2146875162.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2615786401) and next prime (2615786423).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35778 + ... + 80694.

It is an arithmetic number, because the mean of its divisors is an integer number (133316624).

Almost surely, 2^2615786412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2615786412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3199598976).

2615786412 is an abundant number, since it is smaller than the sum of its proper divisors (3783411540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2615786412 is a wasteful number, since it uses less digits than its factorization.

2615786412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45158 (or 45156 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 2615786412 is about 51144.7593796275. The cubic root of 2615786412 is about 1377.8462539549.

The spelling of 2615786412 in words is "two billion, six hundred fifteen million, seven hundred eighty-six thousand, four hundred twelve".